Sensing of meteorological variables by laser probe techniques Semiannual report, 1 Aug. 1966 - 31 Jan. 1967

Optical radar sensing of meteorological variables in atmosphere and ionospher

Investigations of dust in the upper atmosphere by optical radar Final report, 1 Jul. 1966 - 31 Jul. 1968

Upper atmospheric dust investigations using optical radar technique

Optical radar backscattering from the mesopause region during July and August 1967

Optical radar measurement of backscattering from mesopause region during July and August 196

Optical radar measurements of the atmosphere

Optical radar investigations of atmosphere, and Mie scattering intensity functions for backscatte

Atmospheric nitric oxide measurement techniques Final report

Optical radar technique for measuring vertical density distribution of neutral nitric oxide in earth atmospher

Development of carbon dioxide laser doppler instrumentation detection of clear air turbulence

The analytical, experimental, and developmental aspects of an airborne, pulsed, carbon dioxide laser-optical radar system are described. The laser detects clear air turbulence and performs Doppler measurements of this air-motion phenomenon. Conclusions and recommendations arising from the development of the laser system are presented

Sensing of meteorological variables by laser probe techniques Final report, 1 Aug. 1966 - 30 Jun. 1970

Optical laser sensing of atmospheric parameter

The 1989 NASA-ASEE Summer Faculty Fellowship Program in Aeronautics and Research

The 1989 NASA-ASEE Summer Faculty Fellowship Program at the Goddard Space Flight Center was conducted during 5 Jun. 1989 to 11 Aug. 1989. The research projects were previously assigned. Work summaries are presented for the following topics: optical properties data base; particle acceleration; satellite imagery; telemetry workstation; spectroscopy; image processing; stellar spectra; optical radar; robotics; atmospheric composition; semiconductors computer networks; remote sensing; software engineering; solar flares; and glaciers

Optical-radar imaging of scale models for studies in asteroid astronomy

During the past five years, delay-Doppler radar has become the primary technique for studying the structure of Earth-crossing asteroids. None of these objects has yet been visited by spacecraft, so ground-truth test cases are lacking. A laboratory system is described that provides optical-radar images at 0.1-mm resolution. These data are analogous to the highest-resolution asteroid radar images currently available and provided realistic test cases for developing signal-processing techniques. The system can be thought of as a 1/188,000 scale model of the Arecibo radar, or a 1/52,800 scale model of the Goldstone radar

Laser radar measurements of the aerosol content of the atmosphere

A summary of the results of laser radar observations of atmospheric aerosols is presented along with a description of the laser radar system devised during the study and of the data handling techniques utilized for the analysis of the data of the temporal and spatial distribution of atmospheric aerosols. Current research conducted by the group is directed toward the analysis of the frequency spectrum of laser radar echoes to obtain absolute measurements of the dust content of the atmosphere by resolving the molecular and aerosol contributions to the laser radar echoes